Baudline

Baudline

Baudline is a free and open source digital signal analyzer and spectrum analyzer software for Linux, Mac, and Windows. It plots realtime frequency, spectrum, spectrogram, signal scope, and persistence graphs for capturing and analyzing audio signals.
Audio & Music Audio Analysis
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spectrum-analyzer signal-analyzer frequency-analysis audio-processing
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Baudline: Free Digital Signal Analyzer & Spectrum Analyzer Software

Free and open source digital signal analyzer and spectrum analyzer software for Linux, Mac, and Windows, plotting real-time frequency, spectrum, spectrogram, signal scope, and persistence graphs for capturing and analyzing audio signals.

What is Baudline?

Baudline is a free, open source software digital signal analysis application for Linux, Mac OS X, and Windows. It can capture and analyze signals from analog devices, files, or network streams using audio APIs. Some of the key features include:

  • Real-time spectrum analysis with a waterfall display showing frequency changes over time
  • Oscilloscope, spectrogram, histogram, and persistence displays for in-depth audio analysis
  • Customizable GUI with dockable graphs and configurable color themes
  • Supports capturing and processing signals at sampling rates up to 192 kHz
  • Can read and write WAV, AIFF, AU, MAT, and CSV files
  • Scriptable via Python for automating analysis tasks
  • A lightweight and high performance tool for tasks like ham radio operation, locating signal interference, verifying electronics designs, and more

With an intuitive interface and advanced measurement capabilities, Baudline is an excellent open source alternative to commercial digital signal analyzers for electronics hobbyists, engineers, ham radio operators, and audio production professionals looking to deeply analyze signals.

Baudline Features

Features

  1. Real-time capture and display of audio signals
  2. Spectrum analyzer with adjustable resolution bandwidths
  3. Spectrogram display
  4. Oscilloscope display
  5. Waterfall / persistence display
  6. Audio recording and playback
  7. Scripting and automation

Pricing

  • Open Source

Pros

Free and open source

Cross-platform - works on Linux, Mac, and Windows

Powerful feature set comparable to commercial analyzers

Extensible and customizable via plugins and scripts

Cons

Steep learning curve

User interface is not the most intuitive

Limited documentation and support resources

Official Links

Official Website
https://www.baudline.com/

The Best Baudline Alternatives

Top Audio & Music and Audio Analysis and other similar apps like Baudline

Here are some alternatives to Baudline:

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GNU Radio

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